Anomalous Noise in the Pseudogap Regime of YBa$_2$Cu$_3$O$_{7-\delta}$

D. J. Van Harlingen; D. S. Caplan; E. H. Fradkin; M. B. Weissman; M. J. Hinton; T. R. Lemberger; V. Orlyanchik

arxiv: 1004.5554 · v1 · pith:FMUPACM3new · submitted 2010-04-30 · ❄️ cond-mat.supr-con

Anomalous Noise in the Pseudogap Regime of YBa₂Cu₃O_(7-δ)

D. S. Caplan , V. Orlyanchik , M. B. Weissman , D. J. Van Harlingen , E. H. Fradkin , M. J. Hinton , T. R. Lemberger This is my paper

classification ❄️ cond-mat.supr-con

keywords noiseregimestateaboveaginganomalousbelowca-ybco

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An unusual noise component is found near and below about 250 K in the normal state of underdoped YBCO and Ca-YBCO films. This noise regime, unlike the more typical noise above 250 K, has features expected for a symmetry-breaking collective electronic state. These include large individual fluctuators, a magnetic sensitivity, and aging effects. A possible interpretation in terms of fluctuating charge nematic order is presented.

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Anomalous Noise in the Pseudogap Regime of YBa₂Cu₃O_(7-δ)

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